75746515
Jul 9, 1999
Nov 14, 2000
software for operating measuring instruments relating to radio frequency interference and high frequency disturbances, electric choking coils, electric choking coils for filtering, radio frequency interference (RFI) filters, condensers, electrical filters for ensuring the electro-magnetic compatibility on power supply and data lines, electrical transformers, electrical pulse-transformers for signal transmission, simulators for radio frequency interference and high frequency disturbances, electric analyzers for the verification of the electro-magnetic immunity of electronic equipment under electrostatic discharges, surges and high frequency disturbances, testing systems comprising AC sources, electronic loads and signal analyzers for power supplies, converters; receivers and amplifiers for electromagnetic waves; antennas for radio frequency test systems
Electrical and Scientific Apparatus